An Etymological Dictionary of the German Language/melden
melden, vb., ‘to mention, notify, announce,’ from MidHG. mëlden, ‘to inform against, betray, announce, show, name’; comp. OHG. mëldôn, OSax. mëldôn, AS. mëldian, ‘to inform against, betray’; a West Teut. vb. simply, meaning ‘to betray,’ to which other senses have been given in MidHG. Goth. *milþôn points to a Teut. root *melþ, ‘to betray’; an equiv. pre-Teut. *melt has not yet been authenticated.